From 15ea3d80dacc4bb0919655e0f16e808ce83b5cf9 Mon Sep 17 00:00:00 2001
From: Scott McMurray <scottmcm@users.noreply.github.com>
Date: Fri, 3 Nov 2017 21:48:33 -0700
Subject: Fix #18604: next_power_of_two should panic on overflow

---
 src/libcore/num/mod.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libcore/num/mod.rs b/src/libcore/num/mod.rs
index 5799d37c19c..914b3762d80 100644
--- a/src/libcore/num/mod.rs
+++ b/src/libcore/num/mod.rs
@@ -2222,6 +2222,7 @@ macro_rules! uint_impl {
         /// ```
         #[stable(feature = "rust1", since = "1.0.0")]
         #[inline]
+        #[rustc_inherit_overflow_checks]
         pub fn next_power_of_two(self) -> Self {
             self.one_less_than_next_power_of_two() + 1
         }
-- 
cgit 1.4.1-3-g733a5